Description
Your KX250’s stock reed valve assembly limits peak power delivery and throttle response across the RPM band. Boyesen’s patented dual-stage Power Reed design splits the workload between two engineered reeds—one optimized for low-RPM crispness, the other for high-RPM flow—giving you measurable gains in acceleration and top-end horsepower. Pair this with the included Rev-Plate reed stop, and you’re unlocking the full potential of your 2-stroke engine.
- Dual-stage reed design
- Lightweight top reed
- Ported bottom reed
- Improved throttle response
- Increased peak horsepower
- Includes Rev-Plate
- KX250 ’05–’07 fitment
- Bolt-on installation
- Patented valve geometry
- MPN: 6129
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